Refactory (see the description)
Refactory (see the description)

- Removing the self.api_server as it does not have anything with a proxy
- Using the class APIConsumer who is responsible for the send and
process requests to the Toxiproxy server
- Calling the Toxiproxy server to get the proxies instead of the local
cache with dictionaries because it could get not reflect the real state
of proxies
- Improving the populate method to allow update of proxy server
- Adding a method to update the data of the APIConsumer class (port,
host)

douglas/toxiproxy-python,douglas/toxiproxy-python